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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2012-2016 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
Application
testExtendedStencil2
Description
Test app for determining extended cell-to-cell stencil.
\*---------------------------------------------------------------------------*/
#include "argList.H"
#include "fvMesh.H"
#include "volFields.H"
#include "surfaceFields.H"
#include "Time.H"
#include "OFstream.H"
#include "meshTools.H"
#include "CFCCellToCellStencil.H"
using namespace Foam;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
void writeStencilOBJ
(
const fileName& fName,
const point& fc,
const List<point>& stencilCc
)
{
OFstream str(fName);
label vertI = 0;
meshTools::writeOBJ(str, fc);
vertI++;
forAll(stencilCc, i)
{
meshTools::writeOBJ(str, stencilCc[i]);
vertI++;
str << "l 1 " << vertI << nl;
}
}
// Stats
void writeStencilStats(const labelListList& stencil)
{
label sumSize = 0;
label nSum = 0;
label minSize = labelMax;
label maxSize = labelMin;
forAll(stencil, i)
{
const labelList& sCells = stencil[i];
if (sCells.size() > 0)
{
sumSize += sCells.size();
nSum++;
minSize = min(minSize, sCells.size());
maxSize = max(maxSize, sCells.size());
}
}
reduce(sumSize, sumOp<label>());
reduce(nSum, sumOp<label>());
sumSize /= nSum;
reduce(minSize, minOp<label>());
reduce(maxSize, maxOp<label>());
Info<< "Stencil size :" << nl
<< " average : " << sumSize << nl
<< " min : " << minSize << nl
<< " max : " << maxSize << nl
<< endl;
}
// Main program:
int main(int argc, char *argv[])
{
#include "addTimeOptions.H"
#include "setRootCase.H"
#include "createTime.H"
// Get times list
instantList Times = runTime.times();
#include "checkTimeOptions.H"
runTime.setTime(Times[startTime], startTime);
#include "createMesh.H"
//---- CELL CENTRED STENCIL -----
// Centred, cell stencil
// ~~~~~~~~~~~~~~~~~~~~~
{
// Full stencil. This is per local cell a set of global indices, either
// into cells or also boundary faces.
CFCCellToCellStencil stencil(mesh);
// Construct exchange map and renumber stencil
List<Map<label>> compactMap(Pstream::nProcs());
mapDistribute map
(
stencil.globalNumbering(),
stencil,
compactMap
);
// Print some stats
Info<< "cellFaceCell:" << endl;
writeStencilStats(stencil);
// Collect the data in stencil form
List<List<vector>> stencilPoints;
{
const volVectorField& fld = mesh.C();
// 1. Construct cell data in compact addressing
List<point> compactFld(map.constructSize(), Zero);
// Insert my internal values
forAll(fld, celli)
{
compactFld[celli] = fld[celli];
}
// Insert my boundary values
label nCompact = fld.size();
forAll(fld.boundaryField(), patchi)
{
const fvPatchField<vector>& pfld = fld.boundaryField()[patchi];
forAll(pfld, i)
{
compactFld[nCompact++] = pfld[i];
}
}
// Do all swapping
map.distribute(compactFld);
// 2. Pull to stencil
stencilPoints.setSize(stencil.size());
forAll(stencil, celli)
{
const labelList& compactCells = stencil[celli];
stencilPoints[celli].setSize(compactCells.size());
forAll(compactCells, i)
{
stencilPoints[celli][i] = compactFld[compactCells[i]];
}
}
}
forAll(stencilPoints, celli)
{
writeStencilOBJ
(
runTime.path()/"centredCell" + Foam::name(celli) + ".obj",
mesh.cellCentres()[celli],
stencilPoints[celli]
);
}
}
Pout<< "End\n" << endl;
return 0;
}
// ************************************************************************* //
|
